How about a “native” Linux laptop such as the Tuxedo Infinity Book Pro 14, or a similar model? That should provide more than enough power for the tasks you mentioned. There is also Slimbook, who make different Linux laptops though they are a little lesser known I think.

It does seem like the DTS Netflix editing philosophy is slowly spreading into the mainstream live coverage. Hopefully the teams and drivers can keep it from getting too overboard.